Express 1 Ton Van V8-5.7L VIN R (1999)
9. Remove the EHCU from the frame.
10. Remove the three bolts retaining the BPMV form the bracket.
11. Remove the four T-25 Torx bolts (1) that fasten the Electronic Brake Control Module (EBCM) to the BPMV.
Remove the EBCM (2) from the BPMV (4).
Removal may require a light amount of force.
IMPORTANT: Do not use a tool to pry the EBCM or the BPMV. Excessive force will damage the EBCM.
12. Remove the three Allen bolts (8) from the combination valve.
13. Remove the combination valve (9).
IMPORTANT: Do not reuse the transfer tubes. Always install new transfer tubes.
14. Remove the two transfer tubes (10).
INSTALLATION PROCEDURE
IMPORTANT:
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Do not reuse the Electronic Brake Control Module (EBCM) gasket or the old mounting bolts. Always install a new gasket and mounting bolts
with the new EBCM.
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Do not use RTV or any other type of sealant on the EBCM gasket or mating surfaces.
1. Install the new transfer tubes (10) into the combination valve into the combination valve (9).
2. Install the combination valve onto the BPMV (4).
NOTICE: Refer to Fastener Notice in Service Precautions.
3. Install the three Allen bolts (8) that fasten the combination valve (9) to the BPMV (4).
